p-[4-[(3-ethyl-3H-benzoxazol-2-ylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid is a chemical compound registered under CAS number 27583-41-1, with the molecular formula C21H19N3O5S and a molecular weight of about 425.46 g/mol. Its EINECS (EC) number is 248-547-6. It is also known as 4-[[4-[2-(3-Ethylbenzoxazol-2(3H)-ylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-1-yl]benzenesulfonic acid. CKSPharm supplies p-[4-[(3-ethyl-3H-benzoxazol-2-ylidene)ethylidene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid for laboratory research and bulk production; product code 1403998. Send an inquiry for purity, packaging, price and lead time.